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08-26-2006, 05:56 PM
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#1 |
 
Drives: meteorite liftback Join Date: Jun 2006
Location: florida
Posts: 23
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catalytic converter question
Hey guys, i just read this article in an import car magazine and they did a test with a dynomometer that showed that high flow catalytic converters have a big effect on exhaust pressure, even more so than a cat back exhaust in most cases. They did the test on a civic si and were able to get 6horsepower from a magnaflow free flow cat. My question is does anyone know what the stock exhaust diameter is? I think i might pick up a catalytic converter because i want to free up some back pressure with out making the exhaust loud (been there, done that....annoying) Thanks
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YARIS LIFTBACK: meteorite metallic, 5speed, debadged, 15" black rota gt-3's w/ 205/50/15's, tanabe df210's, colibri universal power window kit, glow shift 2" tach and twm shortshifter. FUTURE MOD's: power door lock kit w/ keyless entry and new audio. |
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